Ejemplo n.º 1
0
 /**
  * Setup the class, if it has already been initialized, return the initialized instance.
  *
  * @access public
  * @since 0.8
  * @see cnMetabox()
  */
 public static function init()
 {
     if (!isset(self::$instance)) {
         self::$instance = new self();
         add_action('init', array(__CLASS__, 'process'), 0);
     }
 }